﻿#include <stdio.h>
int main(){	          
    char a,b,c,t;
    scanf("%c%c%c",&a,&b,&c); 
    if (a>b) {t=a;a=b;b=t;}
    if (a>c) {t=a;a=c;c=t;}
    if (b>c) {t=b;b=c;c=t;}
    printf("%c %c %c\n",a,b,c);	   
}	          